HC-49US
QUARTZ CRYSTAL
This product represents our selection
of low profile resistance weld type
quartz crystals.
OPTIONS:
– extended temperature range
– tighter tolerances
– mylar spacer
– 3rd in line lead base
– radial tape and reel (1,000 pcs)
FEATURES
• Cost effective
• Excellent aging
• Wide frequency range
• Low profile
• Excellent reliability
• “AT strip” blank technology
PART NUMBERING GUIDE
“EXAMPLE “
ECS
–
FREQUENCY (16.0000 MHz)
160
–
LOAD CAPACITANCE*
20
–
PACKAGE TYPE**
4
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (4= 3.5mm max. height, 4L= 2.5mm max. height)
For extended temp range of -40 to +85˚C ad -DN suffix for example ECS-160-20-4-DN
Note: See Product Selection Guide for additional options.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
FREQUENCY RANGE
FREQUENCY TOLERANCE
FREQUENCY STABILITY, ref @ 25˚C
OPERATING TEMPERATURE
STORAGE TEMPERATURE
SHUNT CAPACITANCE
LOAD CAPACITANCE
DRIVE LEVEL
AGING (FIRST YEAR)
CONDITIONS
f
o
@ +25˚C
Standard -10 ~ +70˚C
“DN” Option -40 ~ +85˚C
Standard
DN option
C
0
C
L
(Customer Specified)
3.57 ~ 70.000MHz
@ +25˚C
MINIMUM
3.57
MAXIMUM
70.000
±30
±50
±100
±70
+85
+105
7.0
Series
0.5
±5.0
UNITS
MHz
PPM
PPM
PPM
˚C
˚C
˚C
pF
pF
mW
PPM
-10
-40
-40
10.0
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
3.570 ~ 3.999
4.000 ~ 4.999
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
MODE
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
MAX ESR
Ω
200
150
120
100
80
FREQUENCY RANGE (MHz)
9.000 ~ 12.999
13.000 ~ 19.999
20.000 ~ 30.000
27.000 ~ 70.000
MODE
Fundamental
Fundamental
Fundamental
3rd O/T
MAX ESR
Ω
60
40
30
100
PACKAGE DIMENSIONS (mm)
11.35 Max.
10.5 Max.
11.35 Max.
10.5 Max.
3.5 Max.
3.80 Max.
0
PPM
f/f
+ 30
- 10
25
60
TEMP.(˚C)
H
12.7
optional 20.0
4.88
12 Min.
Height “H” (max.)
-4
3.5 mm
-4L
2.5 mm
0.43
- 30
Figure 3) Frequency vs Temperature Curve
4.88
11.35 Max.
0.43
10.5 Max.
4.65 Max.
3.7 Max.
Figure 1) HC-49US - Top and Side views
Figure 2) HC-49US - 3rd In Line Lead Base – Side & Bottom View
ECS, INC. INTERNATIONAL
1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
CRYSTALS
6
CRYSTALS
5.0 Max.
Grounded to Holder
Crystal Part Numbering Guide
Example:
P/N ECS-160-20-5PX (Std P/N)
P/N ECS-160-20-5PX-ADN (Custom P/N)
Custom/Value Added Options
ECS
-
160
-
20
-
5P
X
A
D
N
-
TR
ECS INC.
Frequency
Abbreviation
160=16.000 MHz
(See page 2 for list of
std frequencies)
Load
Capacitance
20=20 pF
S=Series
Options
Blank = Std
3IL=3rd In
Line Lead
SL=Sleeved
B=Insulator
3L=3rd Lead
F=Fund (Note 1)
X=
Pb Free/RoHS
Frequency
Tolerance
@ +25°
(
Max)
Blank =Std
A =±25 ppm
C =±10 ppm
Frequency
Stability (
Max)
Over Temp
Blank =Std
D =±100 ppm
E =±50 ppm
G =±30 ppm
H =±25 ppm
K =±10 ppm
Packaging
TR=Tape
& Reel
(Package Suffix) Model Types
(8) ECS-3x8
(4) HC-49US 3.5H
(9) ECS-3x9
(4L) HC-49US 2.5H
(10) ECS-3x10
(4V) HC-49USSX
(11) ECX-205*
(5P) CSM-7 4.3H
(13) ECS-2x6
(5PL) CSM-7
3.2H
(13FL) ECS-2x6
-FL
(5PV) CSM-7SSX (14) ECS-1x5
(5G3X) CSM-7X-3L (14FL) ECS-1x5-FL
(6) ECX-206*
(17) ECX-306
(7S) ECX-3S
(18) CSM-12
* Discontinued
Note 1: Crystals over 24.000 MHz will be 3rd overtone (if available on data sheet) unless fundamental
mode is requested. An "F" suffix after the package type indicates a fundamental mode i.e. ECS-300-S-1-F
would be a 30.000 MHz Fundamental mode crystal.
(1) HC-49U
(19A) ECX-19A
(20A) CSM-8A
(20B) CSM-8B
(20BM) CSM-8M
(21) UM-5
(22) UM-1
(22SMJ)ECX-UM-1
(23A) ECX-64A
(23B) ECX-64
(23C) ECX-64C
(24) ECX-3TA*
(25) UM-4
(26) ECX-26*
(27) ECX-15
(28A) CSM-4A
(30) ECX-53
(30B) ECX-53B
(32) ECX-31
(33) ECX-32
(34) ECX-315*
(34A) ECX-31A
(34B) ECX-31B
(35) CSM-9
(36) ECX-2236
(37) ECX-1637
(38) ECX-71
(39) ECX-39
(42) ECX-42
Operating Temperature
Blank =Std
L = -10 ~+70°C
M = -20 ~+70°C
N = -40 ~ +85°C
P = -40 ~ +105°C
S = -40 ~ +125°C
U = -55 ~ +125°C
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
Crystal Part Numbering Guide
Standard Frequency Abbreviations
CODE
10
18
20
20.48
24
25
25.6
29
30
32
35
36
36.4
37
39
40
40.3
41
42
44
49
50
51
52
60
61
73
76.8
FREQUENCY
MHz
1.000000
1.843200
2.000000
2.048000
2.457600
2.500000
2.560000
2.9491200
3.000000
3.276800
3.579545
3.686400
3.640000
3.700000
3.932160
4.000000
4.032000
4.096000
4.194304
4.433618
4.915200
5.000000
5.068000
5.185000
6.000000
6.144000
7.372800
7.680000
CODE
80
81.92
85
90
92.1
95.4
98.3
100
107.3
110
110.4
110.5
112.2
115.2
119.8
120
120.003
121
122.8
129.6
135
143
146
147.4
150
153.6
160
160.003
FREQUENCY
MHz
8.000000
8.192000
8.500000
9.000000
9.216000
9.545000
9.830400
10.000000
10.738635
11.000000
11.046000
11.059200
11.228000
11.520000
11.981350
12.000000
12.000393
12.096000
12.288000
12.960000
13.516800
14.318180
14.690000
14.745600
15.000000
15.360000
16.000000
16.000312
CODE
162.5
169.344
177.3
180
184
196.6
200
214.7
221
240
240.001
245.7
250
260
270
300
320
330
338
352.5
360
380.005
400
403.2
480
500
600
800
FREQUENCY
MHz
16.257000
16.934400
17.734475
18.000000
18.432000
19.660800
20.000000
21.477270
22.118400
24.000000
24.000140
24.576000
25.000000
26.000000
27.000000
30.000000
32.000000
33.000000
33.868800
35.251200
36.000000
38.000530
40.000000
40.320000
48.000000
50.000000
60.000000
80.000000
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
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